FSA 27.2 Seatpost SL-280This is a demonstration store. You can purchase products like this from Pure Fix Cycles The FSA SL 280 is the perfect match for our track frames. Light and strong, its built to win by a company thats pretty familiar with what a first place finish feels like. Full Speed Ahead! Specs Set back, 1 bolt Nano Pro clamp adjustment 2 piece AL 6061 shaft with forged alloy head AL Cromoly construction 320g